What Does a Consulting Firm Do? What Is a Consulting Firm (Types, Services and How Consulting Works)
What a consulting firm (consulting agency or consultancy) is and what consulting companies do
In this article
A consulting firm (consultancy or consulting agency) is a company of experts that helps organisations solve problems and improve performance. Consulting companies analyse the situation, identify issues and opportunities, recommend solutions and often help implement them, in areas such as strategy, operations, technology, marketing, finance and people.
What consulting firms do
- Diagnose: interviews, data analysis, process reviews, benchmarking
- Recommend: strategies, roadmaps, business cases
- Implement: project management, change management, systems rollout
- Train and hand over: build client capability
Types of consulting
| Type | Focus |
|---|---|
| Management/strategy | Growth, market entry, M&A, organisation |
| Operations | Processes, supply chain, efficiency (see What is business process management?) |
| IT and digital | Systems, cloud, data, AI and automation (see How to automate business processes) |
| Marketing | Brand, digital, go-to-market (see What is a marketing agency?) |
| HR | Organisation design, talent, culture |
| Financial | Restructuring, risk, transactions |
| Specialist | Healthcare, legal, sustainability, regulatory |
How consulting engagements work
Proposal and scope → kick-off → discovery → analysis → recommendations → implementation support → review.
How consulting firms charge
Daily/hourly rates, fixed project fees, retainers and sometimes success fees.
What is a consulting agency vs firm?
Mostly the same; "agency" is often used for marketing or creative consulting, "firm" for management and professional consulting.
When to hire a consulting firm
When you need specialist expertise, an objective outside view, extra capacity for a major project, or proven methods to accelerate change. (Individual consultants: What does a business consultant do?.)
Frequently asked questions
What does a consulting firm do?
Helps organisations solve problems and improve performance by diagnosing issues, recommending solutions and supporting implementation.
What is a consulting firm?
A company of experts that provides advice and implementation support to other organisations.
What do consulting companies charge?
Daily or hourly rates, fixed project fees, retainers or success-based fees depending on scope.
What types of consulting are there?
Management/strategy, operations, IT/digital, marketing, HR, financial and specialist industry consulting.
Is a consultancy the same as a consulting firm?
Yes, the terms are generally interchangeable.
When should a business hire consultants?
For specialist expertise, objective analysis, extra capacity or faster implementation of major changes.
Want a consulting firm website built for your business?
I design and build fast, modern websites that turn visitors into customers, with booking, WhatsApp and automations built in. Tell me about your business.
Start a conversationWritten by Sachin Rawat
AI & automation engineer · websites, apps and motion design
I build AI agents, automations, websites, apps and motion design for businesses. These guides answer the questions people actually search, written from hands-on experience building them.
Work with meMore stories